World Resorts Norway Oslo Weather

Oslo Sea Temperature in September

Average sea water temperature in September:
+59.8°F
Minimum sea water temperature in September: 65.3°F
Maximum sea water temperature in September: 54.3°F

Daily sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 60.8°F. The highest and lowest sea temperatures during the month were 63.9°F and 58.5°F.

Monthly sea water temperature in Oslo, °F

Which Norway resorts have warmest sea in September?

Place name September 2026 September 2025
Oslo 60.8°F 60.7°F
Holmenkollen 60.8°F 60.7°F
Stavanger 58.2°F 60.0°F
Bergen 55.9°F 56.8°F
Ålesund 55.0°F 57.5°F
Trondheim 55.0°F 56.0°F
Tromse 49.5°F 50.4°F

Best time for vacation in Oslo

Sunniest months:
June 11 days
May 11 days
July 11 days
Warmest months:
July 68.6 °F
August 65.5 °F
June 64.9 °F
Warmest sea temp:
July 65.7 °F
August 65.0 °F
June 60.4 °F
Coldest months:
January 24.7 °F
February 28.5 °F
December 29.0 °F
Rainiest months:
August 6 days
May 5 days
June 5 days
Windiest months:
May 6.3 mph
June 6.1 mph
April 6.0 mph

Oslo on a weather map

Current weather
15:52
Oslo
+66°F
NE 14 mph
Feels like: +66°F
Precip.: 15%
Places in Norway:
Name
°F
Bergen
+55°F
Lillehammer
+64°F
Ålesund
+55°F
Oslo
+66°F
Stavanger
+57°F
Tromse
+50°F
Trondheim
+54°F
Flam
+45°F
Hemsedal
+52°F
Holmenkollen
+63°F
24 Hours Forecast
Oslo
Local time: 15:52
October 05, monday
1800
63°F
NE
14 mph
2100
52°F
NE
9 mph
October 06, tuesday
0000
48°F
E
11 mph
0300
46°F
NE
11 mph
0600
48°F
E
12 mph
0900
50°F
NE
12 mph
1200
55°F
E
13 mph
1500
59°F
E
12 mph
Units of measurement: °C / °F